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# helper classes for git-buildpackge and friends
# (C) 2006 Guido Guenther <agx@sigxcpu.org>
import subprocess
import sys
class CommandExecFailed(Exception):
pass
class Command(object):
verbose=False
def __init__(self, cmd, args=[]):
self.cmd=cmd
self.args=args
def __run(self, args):
try:
if self.verbose:
print self.cmd, self.args, args
retcode = subprocess.call([self.cmd]+self.args+args)
if retcode < 0:
print >>sys.stderr, "%s was terminated by signal %d" % (self.cmd, -retcode)
elif retcode > 0:
print >>sys.stderr, "%s returned %d" % (self.cmd, retcode)
except OSError, e:
print >>sys.stderr, "Execution failed:", e
retcode=1
if retcode:
print >>sys.stderr,self.run_error
return retcode
def __call__(self, args=[]):
if self.__run(args):
raise CommandExecFailed
class UnpackTGZ(Command):
def __init__(self, tgz, dir):
self.tgz=tgz
self.dir=dir
Command.__init__(self, 'tar', [ '-C', dir, '-zxf', tgz ])
self.run_error="Couldn't unpack %s" % (self.tgz,)
class RemoveTree(Command):
"Remove a whole directory tree"
def __init__(self, tree):
self.tree=tree
Command.__init__(self, 'rm', [ '-rf', tree ])
self.run_error="Couldn't remove %s" % (self.tree,)
class Dch(Command):
def __init__(self, version, msg):
args=['-v', version]
if msg:
args.append(msg)
Command.__init__(self, 'dch', args)
self.run_error="Dch failed."
class DpkgSourceExtract(Command):
def __init__(self):
Command.__init__(self, 'dpkg-source', ['-x'])
def __call__(self, dsc, output_dir):
self.run_error="Couldn't extract %s" % (dsc,)
Command.__call__(self, [dsc, output_dir])
class GitLoadDirs(Command):
def __init__(self):
Command.__init__(self, 'git_load_dirs')
def __call__(self, dir, log=''):
self.dir=dir
self.run_error="Couldn't import %s" % self.dir
args=[ [],['-L', log] ] [len(log) > 0]
Command.__call__(self, args+[dir])
class GitCommand(Command):
"Mother/Father of all git commands"
def __init__(self, cmd, args=[]):
Command.__init__(self, 'git-'+cmd, args)
class GitInitDB(GitCommand):
def __init__(self):
GitCommand.__init__(self,'init-db')
self.run_error="Couldn't init git repository"
class GitShowBranch(GitCommand):
def __init__(self):
GitCommand.__init__(self,'branch')
self.run_error="Couldn't list branches"
class GitBranch(GitCommand):
def __init__(self):
GitCommand.__init__(self,'branch')
def __call__(self, branch):
self.run_error="Couldn't create branch %s" % (branch,)
GitCommand.__call__(self, [branch])
class GitCheckoutBranch(GitCommand):
def __init__(self, branch):
GitCommand.__init__(self,'checkout', [branch])
self.branch=branch
self.run_error="Couldn't switch to %s branch" % self.branch
class GitPull(GitCommand):
def __init__(self, repo, branch):
GitCommand.__init__(self,'pull', [repo, branch])
self.run_error="Couldn't pull %s to %s" % (branch, repo)
class GitTag(GitCommand):
def __init__(self):
GitCommand.__init__(self,'tag')
def __call__(self, tag):
self.run_error="Couldn't tag %s" % (tag,)
GitCommand.__call__(self, [tag])
class GitAdd(GitCommand):
"""add a lists of files"""
def __init__(self):
GitCommand.__init__(self,'add')
self.run_error="Couldn't add files"
class GitCommitAll(GitCommand):
"""Commit files to the repository"""
def __init__(self):
GitCommand.__init__(self,'commit', ['-a'])
def __call__(self, msg=''):
args = [ [], ['-m', msg] ][len(msg) > 0]
self.run_error="Couldn't commit -a %s" % " ".join(args)
GitCommand.__call__(self, args)
# vim:et:ts=4:sw=4:
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